·lt is for all position welding of22&percnt;Cr-12&percnt;Ni austenitic stainless steel ASTM309&comma;309L or equivalent steels&period;·lt is for dissimilar joints welding between CrNi or CrNiMo stainless steel to mild steel orlow alloved steel&period;·lt is for build-up welding on mild steel or low alloyed steel